$ git clone -n https://gitee.com/src-opencloudos-rpms/mariadb-java-client.git /var/lib/mock/dist-oc9-build-42945-14591/root/chroot_tmpdir/scmroot/mariadb-java-client
Cloning into '/var/lib/mock/dist-oc9-build-42945-14591/root/chroot_tmpdir/scmroot/mariadb-java-client'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mariadb-java-client
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ced4cce import mariadb-java-client-3.1.2-2.tl4